2020 BMW 330E M Sport Auto: common problems and what to check
What gets flagged at MOT on 2020 BMW 330E M Sport Autos, from 1,484 tests in 2025, plus known faults and what to look at before you buy one.
What gets flagged at MOT
The share of 2020 BMW 330E M Sport Auto MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.
- Tyres25% of testsRough price £70–£150
At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.
- Suspension5% of testsRough price £120–£400
At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.
- Lights and electrics4% of testsRough price £10–£80
At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.
- Wipers, windscreen and mirrors4% of testsRough price £15–£250
At the viewing: Check for chips in the driver's view, and test the wipers and washers.
- Oil and fluid leaks2% of testsRough price £80–£600
At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.
- Brakes2% of testsRough price £150–£350
At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.
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Other years
| Year | MOT tests | Most flagged |
|---|---|---|
| 2022 | 3,627 | Tyres 31% |
| 2021 | 6,046 | Tyres 28% |
Where this comes from: the DVSA's anonymised results for every MOT test in Great Britain in 2025, counting tests of 2020 BMW 330E M Sport Autos registered in 2020. "Flagged" includes advisories, so it isn't the same as a fail rate. How we score